class Car:
    def drive(self, speed):
        self.wheels = 4
        print(f"driving~~{speed}~~")


@classmethod
def stop(cls):
    print("stop+++++++++++")

    @staticmethod
    def test():
        print("test=============")


car1 = Car()
car1.drive(100)
print(car1.wheels)
# print(Car.wheels)
car1.color = "red"
print(car1.color)